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0662f2bb ML |
1 | ## |
2 | ## This file is part of the libserialport project. | |
3 | ## | |
4 | ## Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> | |
5 | ## Copyright (C) 2013 Martin Ling <martin-libserialport@earth.li> | |
6 | ## | |
7 | ## This program is free software: you can redistribute it and/or modify | |
8 | ## it under the terms of the GNU Lesser General Public License as | |
9 | ## published by the Free Software Foundation, either version 3 of the | |
10 | ## License, or (at your option) any later version. | |
11 | ## | |
12 | ## This program is distributed in the hope that it will be useful, | |
13 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ## GNU General Public License for more details. | |
16 | ## | |
17 | ## You should have received a copy of the GNU Lesser General Public License | |
18 | ## along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | ## | |
20 | ||
21 | # We require at least autoconf 2.63 (AC_INIT format changed there). | |
22 | AC_PREREQ([2.63]) | |
23 | ||
24 | # libserialport package version number (NOT the same as shared lib version!). | |
25 | m4_define([sp_package_version_major], [0]) | |
26 | m4_define([sp_package_version_minor], [1]) | |
27 | m4_define([sp_package_version], [sp_package_version_major.sp_package_version_minor]) | |
28 | ||
29 | AC_INIT([libserialport], [sp_package_version], [martin-libserialport@earth.li], | |
728f6de5 | 30 | [libserialport], [http://sigrok.org/wiki/Libserialport]) |
0662f2bb ML |
31 | AC_CONFIG_MACRO_DIR([autostuff]) |
32 | AC_CONFIG_AUX_DIR([autostuff]) | |
33 | ||
1ebf4347 ML |
34 | AC_CANONICAL_TARGET |
35 | ||
0662f2bb ML |
36 | # We require at least automake 1.11 (needed for 'silent rules'). |
37 | AM_INIT_AUTOMAKE([1.11 -Wall -Werror]) | |
38 | m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) | |
39 | m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) | |
40 | ||
41 | AH_TOP([#ifndef SP_CONFIG_H | |
42 | #define SP_CONFIG_H /* To stop multiple inclusions. */]) | |
43 | AH_BOTTOM([#endif /* SP_CONFIG_H */]) | |
44 | ||
45 | # Enable more compiler warnings via -Wall and -Wextra. | |
46 | CFLAGS="$CFLAGS -Wall -Wextra" | |
47 | ||
48 | # Checks for programs. | |
49 | AC_PROG_CC | |
50 | AC_PROG_CPP | |
51 | AC_PROG_INSTALL | |
52 | AC_PROG_LN_S | |
53 | ||
54 | # Required for per-target flags or subdir-objects with C sources. | |
55 | AM_PROG_CC_C_O | |
56 | ||
57 | # Initialize libtool. | |
58 | LT_INIT | |
59 | ||
60 | # Initialize pkg-config. | |
f92f1f0c | 61 | # We require at least 0.22, as "Requires.private" behaviour changed there. |
0662f2bb ML |
62 | PKG_PROG_PKG_CONFIG([0.22]) |
63 | ||
64 | # Library version for libserialport (NOT the same as the package version). | |
65 | # Carefully read the libtool docs before updating these numbers! | |
66 | # The algorithm for determining which number to change (and how) is nontrivial! | |
67 | # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info | |
68 | SP_LIB_VERSION_CURRENT=0 | |
69 | SP_LIB_VERSION_REVISION=0 | |
70 | SP_LIB_VERSION_AGE=0 | |
71 | SP_LIB_VERSION="$SP_LIB_VERSION_CURRENT:$SP_LIB_VERSION_REVISION:$SP_LIB_VERSION_AGE" | |
72 | SP_LIB_LDFLAGS="-version-info $SP_LIB_VERSION" | |
73 | AC_SUBST(SP_LIB_VERSION_CURRENT) | |
74 | AC_SUBST(SP_LIB_VERSION_REVISION) | |
75 | AC_SUBST(SP_LIB_VERSION_AGE) | |
76 | AC_SUBST(SP_LIB_VERSION) | |
77 | AC_SUBST(SP_LIB_LDFLAGS) | |
78 | ||
e4bffe06 UH |
79 | # Checks for libraries. |
80 | ||
81 | # This variable collects the pkg-config names of all detected libs. | |
82 | # It is then used to construct the "Requires.private:" field in the | |
83 | # libserialport.pc file. | |
84 | SP_PKGLIBS="" | |
0662f2bb | 85 | |
1ebf4347 ML |
86 | case $target_os in |
87 | *linux*) | |
f92f1f0c | 88 | # On Linux libudev is currently a hard requirement. |
1ebf4347 | 89 | PKG_CHECK_MODULES([libudev], [libudev >= 0], |
e4bffe06 UH |
90 | [CFLAGS="$CFLAGS $libudev_CFLAGS"; LIBS="$LIBS $libudev_LIBS"; |
91 | SP_PKGLIBS="$SP_PKGLIBS libudev"]) | |
1ebf4347 ML |
92 | ;; |
93 | *darwin*) | |
94 | LDFLAGS="$LDFLAGS -Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation" | |
95 | AC_CHECK_HEADER(IOKit/IOKitLib.h, [], [AC_MSG_ERROR([IOKit/IOKitLib.h not found])]) | |
96 | ;; | |
97 | esac | |
98 | ||
e4bffe06 UH |
99 | AC_SUBST(SP_PKGLIBS) |
100 | ||
101 | # Checks for header files. | |
102 | # These are already checked: inttypes.h dlfcn.h memory.h stdint.h stdlib.h | |
103 | # string.h strings.h sys/types.h sys/stat.h unistd.h | |
104 | AC_CHECK_HEADERS([errno.h fcntl.h stddef.h sys/ioctl.h termios.h]) | |
105 | ||
0662f2bb ML |
106 | # Checks for typedefs, structures, and compiler characteristics. |
107 | AC_C_INLINE | |
108 | AC_TYPE_SIZE_T | |
109 | AC_TYPE_SSIZE_T | |
7a6d2196 | 110 | AC_CHECK_TYPE([struct termios2],[AC_DEFINE(HAVE_TERMIOS2, 1)],[],[[#include <linux/termios.h>]]) |
40978c2b | 111 | AC_CHECK_TYPE([struct termiox],[AC_DEFINE(HAVE_TERMIOX, 1)],[],[[#include <linux/termios.h>]]) |
0662f2bb ML |
112 | |
113 | # Checks for library functions. | |
114 | AC_CHECK_FUNCS([strerror]) | |
115 | ||
116 | AC_SUBST(MAKEFLAGS, '--no-print-directory') | |
117 | AC_SUBST(AM_LIBTOOLFLAGS, '--silent') | |
118 | ||
119 | SP_PACKAGE_VERSION_MAJOR=sp_package_version_major | |
120 | SP_PACKAGE_VERSION_MINOR=sp_package_version_minor | |
121 | SP_PACKAGE_VERSION=sp_package_version | |
122 | ||
123 | AC_SUBST(SP_PACKAGE_VERSION_MAJOR) | |
124 | AC_SUBST(SP_PACKAGE_VERSION_MINOR) | |
125 | AC_SUBST(SP_PACKAGE_VERSION) | |
126 | ||
baba0759 | 127 | AC_CONFIG_FILES([Makefile libserialport.h libserialport.pc]) |
0662f2bb ML |
128 | |
129 | AC_OUTPUT | |
130 | ||
131 | echo | |
132 | echo "libserialport configuration summary:" | |
133 | echo | |
f92f1f0c | 134 | echo " - Package version (major.minor): $SP_PACKAGE_VERSION" |
0662f2bb ML |
135 | echo " - Library version (current:revision:age): $SP_LIB_VERSION" |
136 | echo " - Prefix: $prefix" | |
137 | echo " - Building on: $build" | |
138 | echo " - Building for: $host" | |
139 | echo |